Individual and Junior Members

Professional scientists whose research is directly relevant to some branch of astronomy are eligible to apply as Individual Members. Individual Members are, normally, admitted by the Executive Committee on the proposal of a National Member.

Junior scientists who have completed their PhD studies between 2015 and 2020 and who are in the initial phase of the career of a professional researcher in some branch of astronomy or a related field may be admitted to the Union by the Executive Committee as Junior Members, for a period not exceeding 6 years.

Individual and Junior Members listed in the IAU Directory have a valid, public email, and are affiliated to at least one Division. They are labeled as "Active Members". For corrections and updates, please contact Any members remaining Inactive for more than 3 years will be removed from the IAU lists.

Additionally, while only Active Members are listed in the IAU Directory, you may still search for Active, Inactive or Deceased Members in the search field to your right.

For gender statistics click here.

Total number of IAU Individual and Junior members: 12737 (of which 1224 are Junior members). Number of Active Individual and Junior Members in the IAU Directory: 12372.


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Name▼ Location NCA adherence
Kopylova, Yulia Gennadievna Russian Federation Russian Federation
Korablev, Oleg I. Russian Federation Russian Federation
Korakitis, Romylos Greece Greece
Korcakova, Daniela Czech Republic Czech Republic
Korchagin, Vladimir Russian Federation Russian Federation
Kordi, Ayman S. Saudi Arabia Saudi Arabia
Kordopatis, Georges Germany France
Korhonen, Heidi H. Germany Denmark
Koribalski, Bärbel Silvia Australia Australia
Koriski, Jehoshua(Shuki) (Junior Member) Israel Israel
Kormendy, John United States United States
Korn, Andreas J. Sweden Sweden
Kornoš, Leonard Slovakia Slovakia
Korokhin, Viktor Valentynovych Ukraine Ukraine
Korol, Valeriya (Junior Member) Germany Germany
Korotin, Sergey Ukraine Ukraine
Korpela, Eric J. United States United States
Korsaga, Marie (Junior Member) South Africa South Africa
Korsos, Marianna Brigitta (Junior Member) United Kingdom United Kingdom
Korth, Judith (Junior Member) Sweden Sweden
Kos, Janez (Junior Member) Slovenia, the Republic of Slovenia, the Republic of
KOSAI, Hiroki Japan Japan
Koschny, Detlef V. Germany Netherlands
Kosek, Wiesław Poland Poland
Koshkin, Nikolay Ivanovich Ukraine Ukraine
Koshmak, Ihor Oleksandrovych (Junior Member) Ukraine Ukraine
Kosovichev, Alexander United States United States
Kóspál, Ágnes Hungary Hungary
Kostama, Veli-Petri Finland Finland
Kostelecký, Jan Czech Republic Czech Republic
Kostik, Roman I. Ukraine Ukraine
KOSUGI, George Japan Japan
Koten, Pavel Czech Republic Czech Republic
Kothes, Roland Josef Canada Canada
Kotilainen, Jari Finland Finland
Kotnik-Karuza, Dubravka Croatia, the Republic of Croatia, the Republic of
Kotov, Valery Ukraine Russian Federation
Kotrc, Pavel Czech Republic Czech Republic
Kotulla, Ralf C. United States United States
Kotze, Enrico Juan (Junior Member) South Africa South Africa
Koubsky, Pavel Czech Republic Czech Republic
Koulouridis, Elias Greece France
Kounkel, Marina (Junior Member) United States United States
Koupelis, Theo United States United States
Kouveliotou, Chryssa United States United States
Kouwenhoven, M.B.N. (Thijs) China, Nanjing China, Nanjing
KOUZUMA, Shinjirou Japan Japan
Kovac, John M United States United States
Kovacevic, Andjelka B. Serbia, Republic of Serbia, Republic of
Kovačević, Jelena Serbia, Republic of Serbia, Republic of
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